UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HaH66ZqxCBnzu2CoqoIhO15qPo4mM3Kv+4tHQ2USnT0=' 
WHERE 
  key_id = '3987b9b86fc477a7d60551d79a428c94364ea8b855faa9c58af4d193bac5faa7' 
  AND (
    token = 'HaH66ZqxCBnzu2CoqoIhO15qPo4mM3Kv+4tHQ2USnT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00056